/*

* Copyright (c) 2005 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  

*           Messaging Video Info class.

*

*/

#ifndef __MSGVIDEOINFO_H

#define __MSGVIDEOINFO_H

// INCLUDES

#include <e32std.h>

#include <w32std.h>

// VideoPlayerUtility API

#include <videoplayer.h>

// Base Class

// CONSTANTS

// MACROS

// FORWARD DECLARATIONS

class RFile;

class TDataType;

class CHXMetaDataUtility;

// DATA TYPES

// FUNCTION PROTOTYPES

// CLASS DECLARATION

/**

* Messaging Video Info class.

*

* @lib MsgMedia.lib

* @since 3.1

*/

NONSHARABLE_CLASS( CMsgVideoInfo ) : public CMsgMediaInfo

    {

    public:  // New methods

        /**

        * Factory method that creates this object.

        *

        * @param    aFile       IN File handle to create info class from.

        * @param    aMimeType   IN Mime type of the file.

        * @return   pointer to instance

        */

        IMPORT_C static CMsgVideoInfo* NewL(

            RFile& aFile, 

            TDataType& aMimeType );

        /**

        * Destructor

        */

        virtual ~CMsgVideoInfo();

        /**

        * Get Framerate.

        *

        * @return   Framerate of Video component.

        */

        inline TReal32 VideoFrameRate() const;

        /**

        * Get Bitrate.

        *

        * @return   Bitrate of Video component.

        */

        inline TInt VideoBitRate() const;

        /**

        * Get Bitrate.

        *

        * @return   Bitrate of Audio component.

        */

        inline TInt AudioBitRate() const;

        /**

        * Get dimensions.

        *

        * @return   Dimensions of unscaled image.

        */

        inline TSize Dimensions() const;

        /**

        * Is Audio.

        *

        * @return   Does video have audio clip included.

        */

        inline TBool IsAudio() const;

    public: // From base classes

        /**

        * From CActive

        */

    	void DoCancel();

        /**

        * From CActive

        */

    	void RunL();

    protected:

        /**

        * Constructor.

        *

        * @param    aMimeType   IN Mime type of the file.

        */

        CMsgVideoInfo( TDataType& aMimeType );

        /**

        * 2nd phase constructor.

        *

        * @param    aFile       IN File handle to create info class from.

        */

        void ConstructL( RFile& aFile );

        /**

        * Opens the audio file and gets info (e.g. duration and dimensions).

        * Called from ConstructL.

        *

        * @param    aFile       IN File handle to create info class from.

        */

        void ResolveVideoInfoL( RFile& aFile );

        /**

        * ReadInformationL

        * Reads information from CVideoPlayerUtility object into

        * member variables.

        *

        * @param    aVideoPlayer   IN VideoPlayerUtility object to 

        *                             read information from.

        */

        void ReadInformationL( CHXMetaDataUtility& dataUtil );

    protected: // data

        enum TMsgVideoState

            {

            EVideoStateIdle = 0,

            EVideoStateReady

            };

        TInt                    iState;

        TInt                    iBitRate; 

        TInt                    iAudioBitRate;

        TSize                   iOverallSizeInPixels;

        TReal32                 iFramesPerSecond;

        TDataType               iAudioType;

        TUid                    iControllerUid;

    };

#endif // __MSGVIDEOINFO_H